Very large calcareous flush and braided streams whose beds are formed by massed oncoids, with Primula farinosa, see photos. Oncolite rich flushes similar to this on Thornton Rust Moor (SSSI) are associated with abundant Birds-eye primrose (Primula farinosa). Least club moss, (Seliginella selaginoides). A similar rich flush flora is also likely also to be present here.
Vegetation not yet recorded.

Dimensions

See photographs

Geographical area

Wensleydale

Species

Birds-eye primrose. (Primula farinosa).

Image 1 ID

296 Click image to enlarge

Image 1 Description

Oncolites in stream south of Black Beck Gill.

Image 2 ID

2131 Click image to enlarge

Image 2 Description

Oncolite streams south of Black Beck Gill. Black Beck flows east to Walburn, then northward as Gill Beck to , this spring stream has been enlarged as a land drain but is recovering.

Image 3 ID

2132 Click image to enlarge

Image 3 Description

Spring rise south of Black Beck. This spring is a source of the small stream which runs into Park Gill and hence to the Ure.